Automatic/manual resectoscope

Details Automatic/manual resectoscope Automatic/manual resectoscope

1984-10-15

1987-04-14

Coven, Edward M.

Surgery

Truss

Pad

12830317, A61B 1739

Patent

active

046570187

ABSTRACT:
A resectoscope having a linearly movable cutting element mounted for reciprocating motion while an outer sheath adapted to be inserted into the urethra employs a power source for automatically reciprocating the cutting element when the source is energized, control means actuatable by the user for energizing the power source, heating means for transmitting electrical current to the cutting element and timing means for intemittently energizing the heating means so that the heating means is energized during the cutting stroke of the cutter. In accordance with another aspect of the invention the resectoscope includes a hand actuatable lever for manually reciprocating the cutting element independently of the operation of the power source.

REFERENCES:
patent: 2068721 (1937-01-01), Wappler et al.
patent: 2442966 (1948-06-01), Wallace
patent: 2487502 (1949-11-01), Willinsky
patent: 2545865 (1951-03-01), Wallace
patent: 3100489 (1963-08-01), Bagley
patent: 3149633 (1964-09-01), Zingale
patent: 3763864 (1973-10-01), Dremann
patent: 4196734 (1980-04-01), Harris
patent: 4311145 (1982-01-01), Esty et al.
patent: 4418692 (1983-12-01), Guay

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